cerc-io/plugeth-statediff
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Use symmetric difference iterator #11

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roysc merged 27 commits from symmetric-diff-iterator into main 2023-09-20 03:22:19 +00:00
Conversation 1 Commits 27 Files Changed 26 +16 -28
1 changed files with 16 additions and 28 deletions
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44
builder.go
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@ -318,18 +318,6 @@ func (sdb *StateDiffBuilder) decodeStateLeaf(it trie.NodeIterator, parentBlob []
}, nil
}
// processAccountUpdates emits state and storage node records for all updated existing accounts.
func (sdb *StateDiffBuilder) processAccountUpdates(
updates accountUpdateMap,
nodeSink sdtypes.StateNodeSink,
ipldSink sdtypes.IPLDSink,
logger log.Logger,
) error {
defer metrics.UpdateDuration(time.Now(), metrics.IndexerMetrics.BuildAccountUpdatesTimer)
return nil
}
// processCreatedAccountStorage processes the storage node records for a newly created account
// i.e. it returns all the storage nodes at this state, since there is no previous state.
func (sdb *StateDiffBuilder) processCreatedAccountStorage(
@ -369,22 +357,6 @@ func (sdb *StateDiffBuilder) processCreatedAccountStorage(
return it.Error()
}
// decodes slot at leaf and encodes RLP data to CID
// reminder: it.Leaf() == true when the iterator is positioned at a "value node" (which is not something
// that actually exists in an MMPT), therefore we pass the parent node blob as the leaf RLP.
func (sdb *StateDiffBuilder) decodeStorageLeaf(it trie.NodeIterator, parentBlob []byte) sdtypes.StorageLeafNode {
leafKey := make([]byte, len(it.LeafKey()))
copy(leafKey, it.LeafKey())
value := make([]byte, len(it.LeafBlob()))
copy(value, it.LeafBlob())
return sdtypes.StorageLeafNode{
LeafKey: leafKey,
Value: value,
CID: ipld.Keccak256ToCid(ipld.MEthStorageTrie, crypto.Keccak256(parentBlob)).String(),
}
}
// processRemovedAccountStorage builds the "removed" diffs for all the storage nodes for a destroyed account
func (sdb *StateDiffBuilder) processRemovedAccountStorage(
sr common.Hash, storageSink sdtypes.StorageNodeSink,
@ -479,6 +451,22 @@ func (sdb *StateDiffBuilder) processUpdatedAccountStorage(
return it.Error()
}
// decodes slot at leaf and encodes RLP data to CID
// reminder: it.Leaf() == true when the iterator is positioned at a "value node" (which is not something
// that actually exists in an MMPT), therefore we pass the parent node blob as the leaf RLP.
func (sdb *StateDiffBuilder) decodeStorageLeaf(it trie.NodeIterator, parentBlob []byte) sdtypes.StorageLeafNode {
leafKey := make([]byte, len(it.LeafKey()))
copy(leafKey, it.LeafKey())
value := make([]byte, len(it.LeafBlob()))
copy(value, it.LeafBlob())
return sdtypes.StorageLeafNode{
LeafKey: leafKey,
Value: value,
CID: ipld.Keccak256ToCid(ipld.MEthStorageTrie, crypto.Keccak256(parentBlob)).String(),
}
}
// isWatchedPathPrefix checks if a node path is a prefix (ancestor) to one of the watched addresses.
// An empty watch list means all paths are watched.
func isWatchedPathPrefix(watchedLeafPaths [][]byte, path []byte) bool {